The Three-Chapter Controversy, a phase in the Chalcedonian controversy, was an attempt to reconcile the Non-Chalcedonian Christians of Syria (Syriac Orthodox Church) and Egypt (Coptic Orthodox Church) with the Great Church, following the failure of the Henotikon. The Three Chapters (τρία κεφάλαια, tría kephálaia) that Emperor Justinian I anathematized were: